[dns-operations] new public DNS service: 9.9.9.9

[Chris Adams]

Once upon a time, Viktor Dukhovni <ietf-dane at dukhovni.org> said:
> Indeed in the eyes of the beholder.  In NYC on Verizon's Fios
> 9.9.9.9 comes out slightly ahead.

A better test than ping would be dig, to see the time to respond to a
request.  Of course, I tried that from a personal server, and got:

$ dig +norec . ns @9.9.9.9

; <<>> DiG 9.9.4-RedHat-9.9.4-51.el7 <<>> +norec . ns @9.9.9.9
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 59389
;; flags: qr ad; QUERY: 0, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; Query time: 18 msec
;; SERVER: 9.9.9.9#53(9.9.9.9)
;; WHEN: Tue Nov 21 22:23:30 CST 2017
;; MSG SIZE  rcvd: 12

$ traceroute 9.9.9.9
traceroute to 9.9.9.9 (9.9.9.9), 30 hops max, 60 byte packets
 1  gw.colo.cmadams.net (74.51.118.177)  0.194 ms  0.162 ms  0.155 ms
 2  67.218.175.134 (67.218.175.134)  35.410 ms  35.400 ms  35.381 ms
 3  equinix01-ch1.pch.net (206.223.119.31)  18.687 ms  18.681 ms  18.661 ms
 4  dns.quad9.net (9.9.9.9)  17.922 ms !X  17.912 ms !X  17.892 ms !X

Oops... growing pains?
-- 
Chris Adams <cma at cmadams.net>